<template>
  <div class="login-wrap">
    <div class="ms-login">
      <div class="ms-title">后台管理系统</div>
      <el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="0px" class="ms-content">
        <el-form-item prop="username">
          <el-input v-model="ruleForm.username" placeholder="username">
            <el-button slot="prepend" icon="el-icon-lx-people"></el-button>
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input type="password" placeholder="password" v-model="ruleForm.password" @keyup.enter.native="submitForm('ruleForm')">
            <el-button slot="prepend" icon="el-icon-lx-lock"></el-button>
          </el-input>
        </el-form-item>
        <div class="login-btn">
          <el-button type="primary" @click="submitForm('ruleForm')">登录</el-button>
        </div>
        <p class="login-tips">Tips : 请认真填写用户名和密码。</p>
      </el-form>
    </div>
  </div>
</template>

<script>
import {login} from '../../api/login/login'

export default {
  data () {
    return {
      ruleForm: {
        username: '',
        password: ''
      },
      rules: {
        username: [
          {required: true, message: '请输入用户名', trigger: 'blur'}
        ],
        password: [
          {required: true, message: '请输入密码', trigger: 'blur'}
        ]
      }
    }
  },
  methods: {
    submitForm (formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          login(this.ruleForm.username, this.ruleForm.password).then((res) => {
            sessionStorage.setItem('user', JSON.stringify(res.data))
            this.$router.push('/')
          }).catch((data) => {
            return this.$message.error('登陆异常，请联系管理人员！')
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}
</script>

<style scoped>
  .login-wrap{
    position:relative;
    width:100%;
    height:100%;
    background-image:url(../../assets/img/login-bg.jpg);
    background-size:100%;
  }
  .ms-title{
    width:100%;
    line-height:50px;
    text-align:center;
    font-size:20px;
    color:#fff;
    border-bottom:1px solid #ddd;
  }
  .ms-login{
    position:absolute;
    left:50%;
    top:50%;
    width:350px;
    margin:-190px 0 0 -175px;
    border-radius:5px;
    background:rgba(255, 255, 255, 0.3);
    overflow:hidden;
  }
  .ms-content{
    padding:30px 30px;
  }
  .login-btn{
    text-align:center;
  }
  .login-btn button{
    width:100%;
    height:36px;
    margin-bottom:10px;
  }
  .login-tips{
    font-size:12px;
    line-height:30px;
    color:#fff;
  }
</style>
